/Engine/Source/Runtime/Engine/Public/GPUSortManager.h
A little helper to generate the batch element keys based on the number of elements in the batch and the sort precision.
struct FKeyGenInfo
uint32
ElementKeyMask
ElementKey = (ElementIndex & EmitterKeyMask) << ElementKeyShift.
uint32
ElementKeyShift
uint32
SortKeyMask
FUintVector4
SortKeyParams
(SortKeyMask, SortKeyShift, SortKeySignBit, -)